P CH系列环锤式破碎机是一种带有环锤的冲击转子式破碎机。
PCH series ring hammer crusher is a kind of the impact of the rotor with ring hammer crusher.
冲击式破碎机转子轴承公差配合及游隙的合理选择对防止轴承发热，提高轴承寿命具有十分重要的作用。
Rational selection to tolerances, fits and clearance of rotor-bearing of impact crusher is very important to avoid overheat of bearing and prolong the life of bearing.
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